Original article
The use of regression constants in estimating tooth size in a Negro population

https://doi.org/10.1016/0002-9416(78)90103-3Get rights and content

Abstract

A study of a sample of 105 Negro children and adolescents, residents of Connecticut, was undertaken to determine the degree of correlation between mandibular tooth size and the size of the canines and premolars. The correlation between the total mesiodistal width of the mandibular permanent incisors and that of the maxillary or mandibular canine and first and second premolars was found to be 0.63 and 0.71, respectively. Further, regression constants were determined in an attempt to estimate the buccal segments from the mandibular incisors.

References (22)

Cited by (40)

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    2011, American Journal of Orthodontics and Dentofacial Orthopedics
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    The r2 values are indicators of the predictive accuracy of the regression equations. This study showed comparable r2 values for both arches with the Thai subjects,18 but smaller values than for Hong Kong Chinese,21 black American,22,23 Senegalese,19 and Saudi Arabian samples.17 The standard error of the estimate indicates errors in the use of prediction equations.

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    2010, American Journal of Orthodontics and Dentofacial Orthopedics
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    The sample representation of this study was considered acceptable because of the large sample size (300 subjects of each sex) and the uniform ethnicity (Punjabi). Definite racial and ethnic differences in tooth sizes have been highlighted in several population studies14-21 (Table I). Nanda and Chawla28 found a significant disparity between the leeway space of North Indian children and the leeway space that was reported by Nance29 for American children.

  • New regression equations for mixed-dentition arch analysis in a Turkish sample with no Bolton tooth-size discrepancy

    2009, American Journal of Orthodontics and Dentofacial Orthopedics
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    The r and r2 values for the Turkish sample between the buccal segment of each arch and the mandibular incisors were found to be the highest in both sexes when compared with the other studies. Among people of various racial and ethnic origins, tooth dimensions and craniofacial characteristics differ.2,7,9,10,12-14,16-25 Some of the most used methods to predict widths of unerupted posterior permanent teeth were developed for North Americans.3,6,8

  • Mandibular permanent first molar and incisor width as predictor of mandibular canine and premolar width

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    A high value of ICC (0.995) was found, indicating great measurement precision and repeatability. This value for ICC was similar to those described by others.6,8,21,22,24,33,41-43 Thus, mesiodistal widths of all 500 casts were measured only once.

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Assistant Professor, Department of Children's Dentistry, School of Dental Medicine, Health Sciences Center, State University of New York at Stony Brook.

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Assistant Professor, Department of Pediatric Dentistry, University of Connecticut Health Center.

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Assistant Professor, Department of Pedodontics, New Jersey College of Medicine and Dentistry.

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Associate Professor, Department of Dental Health, School of Dental Medicine, State University if New York at Stony Brook.

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